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HENAN YUGUANG ZINC IND CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    65,043
  • Filing trend
    0.0%
About

HENAN YUGUANG ZINC IND CO LTD has a total of 25 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, environmental technology and surface technology and coating are IMP SMELTING PROCESSES, STEC and HW ADVANCED TECHNOLOGIES INC.

Patent filings in countries

World map showing HENAN YUGUANG ZINC IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

Chart showing HENAN YUGUANG ZINC IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ni Hengfa 12
#2 Yang Tengjiao 12
#3 Kong Jinhuan 12
#4 Zhang Xiangyang 8
#5 Zhai Aiping 7
#6 Dong Gaofeng 7
#7 Yin Ronghua 6
#8 Zhang Wenke 6
#9 Zhang Yang 6
#10 Yuan Yongfeng 5

Latest patents

Publication Filing date Title
CN111485120A Method for reducing tin content in zinc oxide solution
CN111270091A Method for reducing indium content in indium leaching slag
CN111118292A Method for comprehensively recovering indium, bismuth and tin
CN110885065A Method for roasting zinc sulfide concentrate and starting system of flue gas acid making system
CN110747343A Method for preparing cobalt oxide from zinc smelting cobalt slag
CN110747342A Method for producing pure cobalt manganese sulfate solution from zinc smelting cobalt slag
CN110512075A A kind of method of cobaltous sulfate manganese mixed liquor deeply purifying and removing cadmium
CN110527844A A kind of zinc powder removes the quick judgment method of cobalt rate
CN110553506A Maintenance method for furnace top lining of zinc smelting roasting furnace
CN110449013A A method of administering rotary kiln exhaust gas nitrogen oxides
CN108977666A The recovery method of zinc cobalt in a kind of purification slag of zinc hydrometallurgy
CN108163880A A kind of method that land plaster is prepared using zinc abstraction waste acid
CN108220599A A kind of method of solution of zinc sulfate auto purification dechlorination
CN107460501A A kind of compound method of indium industry electrolysis sulfuric acid solution of indium used
CN107349743A A kind of metallurgical tail gas purifier and its method
CN107355764A A kind of method of pyrometallurgy afterheat of slags recovery
CN106868295A The starting method of hematite process iron removal system in a kind of Zinc hydrometallurgy process
CN106868304A A kind of method for reducing impurity content in zinc hydrometallurgy oxidation scum
CN106893872A A kind of method of zinc hydrometallurgy deeply purifying and removing cobalt
CN106868306A A kind of method of zinc leaching residue valuable metal high efficiente callback